docs: def spot_from_dummy(self, dummy):
          """Make a real place and its spot from a dummy spot.
  
          Create a new :class:`board.Spot` instance, along with the
          underlying :class:`LiSE.Place` instance, and give it the name,
          position, and imagery of the provided dummy.
  
          """
          (x, y) = self.to_local(*dummy.pos_up)
          x /= self.board.width
          y /= self.board.height
          self.board.spotlayout.add_widget(
              self.board.make_spot(
                  self.board.character.new_place(
                      dummy.name,
                      _x=x,
                      _y=y,
                      _image_paths=list(dummy.paths)
                  )
              )
          )
          dummy.num += 1